25112403 has 8 divisors (see below), whose sum is σ = 37203600. Its totient is φ = 16741584.

The previous prime is 25112393. The next prime is 25112413. The reversal of 25112403 is 30421152.

25112403 is a `hidden beast` number, since 251 + 12 + 403 = 666.

It is an interprime number because it is at equal distance from previous prime (25112393) and next prime (25112413).

It is not a de Polignac number, because 25112403 - 2¹⁰ = 25111379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25112413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465018 + ... + 465071.

It is an arithmetic number, because the mean of its divisors is an integer number (4650450).

Almost surely, 2^25112403 is an apocalyptic number.

25112403 is a deficient number, since it is larger than the sum of its proper divisors (12091197).

25112403 is an equidigital number, since it uses as much as digits as its factorization.

25112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930098 (or 930092 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25112403 is about 5011.2276938890. The cubic root of 25112403 is about 292.8393431747.

Adding to 25112403 its reverse (30421152), we get a palindrome (55533555).

The spelling of 25112403 in words is "twenty-five million, one hundred twelve thousand, four hundred three".